/* ============================================================
   DemoBank - Shared Stylesheet
   Optimized for automation testing (Selenium, Playwright,
   Cypress, UiPath, Power Automate)
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:      #1a3c5e;
  --primary-dark: #122a42;
  --primary-light:#2e6da4;
  --accent:       #f0a500;
  --success:      #1e8a44;
  --success-bg:   #e8f5ec;
  --error:        #c0392b;
  --error-bg:     #fdecea;
  --warning:      #e67e22;
  --warning-bg:   #fef3e2;
  --info:         #2980b9;
  --info-bg:      #ebf5fb;
  --text:         #1c1c1c;
  --text-muted:   #6c757d;
  --border:       #d1d9e0;
  --bg:           #f4f6f9;
  --white:        #ffffff;
  --card-shadow:  0 2px 8px rgba(0,0,0,0.10);
  --radius:       8px;
  --nav-h:        64px;
}

html { font-size: 16px; }
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Top Navigation Bar --- */
#main-navbar {
  background: var(--primary);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}

#navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
}

#navbar-brand .brand-icon { font-size: 1.6rem; }

#navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

#navbar-links li a,
#navbar-links li button {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
}

#navbar-links li a:hover,
#navbar-links li button:hover,
#navbar-links li a.active {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  text-decoration: none;
}

#navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}

#navbar-username {
  font-weight: 600;
  font-size: 0.92rem;
}

#btn-logout {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s;
}
#btn-logout:hover { background: rgba(255,255,255,0.28); }

/* --- Page Layout --- */
.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.page-header {
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--primary);
}

.page-header p {
  color: var(--text-muted);
  margin-top: 4px;
  font-size: 0.95rem;
}

/* --- Cards --- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg);
}

/* --- Forms --- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group label .required { color: var(--error); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(46,109,164,0.15);
}

.form-control.is-invalid {
  border-color: var(--error);
}

.form-control.is-valid {
  border-color: var(--success);
}

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.field-error {
  font-size: 0.82rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.field-error.visible { display: block; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.08s, opacity 0.15s;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); text-decoration: none; }

.btn-secondary { background: var(--bg); color: var(--primary); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: #e4e9f0; text-decoration: none; }

.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #166535; color: var(--white); text-decoration: none; }

.btn-danger { background: var(--error); color: var(--white); }
.btn-danger:hover { background: #a93226; color: var(--white); text-decoration: none; }

.btn-outline-primary { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: var(--white); text-decoration: none; }

.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-lg { padding: 13px 30px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* --- Alert / Notification Banners --- */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.92rem;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-left: 4px solid transparent;
}

.alert-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

.alert-success { background: var(--success-bg); color: #155724; border-left-color: var(--success); }
.alert-error   { background: var(--error-bg);   color: #721c24; border-left-color: var(--error); }
.alert-warning { background: var(--warning-bg); color: #856404; border-left-color: var(--warning); }
.alert-info    { background: var(--info-bg);    color: #0c5460; border-left-color: var(--info); }

.alert.hidden { display: none; }

/* --- Tables --- */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  background: var(--primary);
  color: var(--white);
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

thead th:hover { background: var(--primary-light); }
thead th .sort-icon { margin-left: 4px; opacity: 0.7; }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:hover { background: #f0f4f8; }

tbody td {
  padding: 11px 14px;
  color: var(--text);
  vertical-align: middle;
}

.amount-credit { color: var(--success); font-weight: 600; }
.amount-debit  { color: var(--error);   font-weight: 600; }

/* --- Badge / Status Chips --- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-success  { background: var(--success-bg); color: var(--success); }
.badge-error    { background: var(--error-bg);   color: var(--error); }
.badge-warning  { background: var(--warning-bg); color: var(--warning); }
.badge-info     { background: var(--info-bg);    color: var(--info); }
.badge-neutral  { background: #e9ecef;           color: #495057; }

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 460px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: scale(0.95);
  transition: transform 0.2s;
}

.modal-overlay.active .modal-box { transform: scale(1); }

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
}

.modal-body { font-size: 0.93rem; line-height: 1.6; margin-bottom: 20px; }

.modal-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.modal-detail-row:last-child { border-bottom: none; }
.modal-detail-label { color: var(--text-muted); }
.modal-detail-value { font-weight: 600; }

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* --- Account Summary Cards (Dashboard) --- */
.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.account-card {
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.account-card::after {
  content: '';
  position: absolute;
  bottom: -30px; right: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.account-card.savings { background: linear-gradient(135deg, #1e5f8a, #1a3c5e); }
.account-card.checking { background: linear-gradient(135deg, #2c6e49, #1a4230); }
.account-card.credit  { background: linear-gradient(135deg, #7b2d8b, #4a1a55); }

.account-card-label { font-size: 0.82rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.5px; }
.account-card-number { font-size: 0.88rem; opacity: 0.7; margin: 4px 0 14px; font-family: monospace; }
.account-card-balance { font-size: 2rem; font-weight: 700; line-height: 1; }
.account-card-balance-label { font-size: 0.8rem; opacity: 0.7; margin-top: 4px; }

/* --- Quick Actions --- */
.quick-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 24px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  text-decoration: none;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  min-width: 110px;
}

.quick-action-btn:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 14px rgba(46,109,164,0.15);
  color: var(--primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.quick-action-icon { font-size: 1.6rem; }

/* --- Auth Pages --- */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo .logo-icon { font-size: 2.8rem; }
.auth-logo h1 { font-size: 1.5rem; color: var(--primary); font-weight: 800; margin: 6px 0 4px; }
.auth-logo p  { font-size: 0.88rem; color: var(--text-muted); }

.auth-title { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.auth-subtitle { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 24px; }

.auth-footer {
  text-align: center;
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.demo-creds {
  background: var(--info-bg);
  border: 1px solid #bee3f8;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  color: #0c5460;
}

.demo-creds strong { display: block; margin-bottom: 4px; }
.demo-creds code {
  background: rgba(0,0,0,0.06);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: monospace;
}

/* --- Filters Bar --- */
.filters-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 20px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
}

.filter-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  margin-top: 20px;
}

.page-btn {
  padding: 7px 13px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  font-size: 0.88rem;
  transition: background 0.12s, border-color 0.12s;
}

.page-btn:hover { background: var(--bg); border-color: var(--primary-light); }
.page-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.page-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--primary);
}

.stat-card.stat-success { border-left-color: var(--success); }
.stat-card.stat-error   { border-left-color: var(--error); }
.stat-card.stat-warning { border-left-color: var(--warning); }

.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-top: 4px; }

/* --- Utility --- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.flex  { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 640px) {
  .auth-card { padding: 28px 20px; }
  #main-navbar { padding: 0 16px; }
  .page-wrapper { padding: 20px 14px 48px; }
  .accounts-grid { grid-template-columns: 1fr; }
  .filters-bar { flex-direction: column; }
  .modal-actions { flex-direction: column; }
}